研究目的
Investigating the selective oxidation of primary carbon-hydrogen bond in toluene to benzyl benzoate using rice husk derived chemically activated graphitic carbon supported NiFe2O4 (nano-NiFe2O4@CAGC) nanomaterial under visible LED light.
研究成果
The nano-NiFe2O4@CAGC hybrid material demonstrated excellent photocatalytic activity for the selective oxidation of toluene to benzyl benzoate under mild conditions. The catalyst is economical, eco-friendly, and can be easily separated and reused, making it a promising candidate for sustainable organic transformations.
研究不足
The study did not explore the scalability of the process for industrial applications. The catalyst showed some agglomeration after recycling, which could affect its long-term stability and performance.
1：Experimental Design and Method Selection:
The study involved the fabrication of chemically activated carbon from rice husk biomass and the growth of NiFe2O4 NPs on its surface by co-precipitation. The catalytic performance was evaluated in the oxidation of toluene under LED light.
2：Sample Selection and Data Sources:
Toluene was used as the substrate, and tert-butyl hydroperoxide (TBHP) as the oxidant. The products were analyzed by 1H NMR.
3：List of Experimental Equipment and Materials:
Powder X-ray diffraction (XRD), Raman spectroscopy, field emission scanning electron microscopy (FESEM), and transmission electron microscopic (TEM) techniques were used for characterization.
4：Experimental Procedures and Operational Workflow:
The reaction was conducted at 120°C for 12 h under LED light. The catalyst was separated using an external magnet and reused.
5：Data Analysis Methods:
The distribution of products was analyzed by 1H NMR spectrum of crude products.
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